<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.js" type="application/javascript"></script>
</head>
<body>
  <div id="app">
    <!-- 原始方式 -->
    <!-- <input v-on:input="onInput"/> -->
    <!-- 简化写法 -->
    <!-- <input @input="onInput"/> -->
    <!-- 简化多个数据绑定 -->
    <!-- <input @input="onInput" @keyup="onKeyup"/> -->
    <!-- 不可以 -->
    <!-- <input @="obj"/> -->
    <!-- 可以 -->
    <input v-on="obj"/>
  </div>
</body>
<script>
  let vm = new Vue({
    el: '#app',
    data() {
      return {
        obj: {
          input(){
            console.log('input')
          },
          keyup(){
            console.log('keyup')
          }
        }
      }
    },
    methods: {
    },
  })
</script>
</html>
